![Closeup black and white photo of standing astronaut in Apollo spacesuit](https://www.nasa.gov/wp-content/uploads/2023/03/257617main_S69-25878_full.jpg)
Countdown Demonstration Test for Apollo 9 – February 1969
Astronaut Russell L. Schweickart, Apollo 9 prime crew lunar module pilot, participates in a Countdown Demonstration Test. He is wearing an Extravehicular Mobility Unit, or EMU. In addition to the spacesuit and bubble helmet, the EMU also includes a Remote Control Unit on his chest, a Portable Life-Support System backpack and an Oxygen Purge System.
Image Credit: NASA
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https://www.nasa.gov/image-detail/countdown-demonstration-test-apollo-9-february-1969/
Image CreditNASA
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